The value of tan ^(-1) sqrt((a lambda)/(...

The value of `tan ^(-1) sqrt((a lambda)/(b c))+tan ^(-1) sqrt((b lambda)/(c a))+tan ^(-1) sqrt((c lambda)/(a b))` where `a, b, c in R^(+)` and `lambda=a+b+c` is equal to

A

`(pi)/(4)`

B

`pi`

C

`(pi)/(2)`

D

none of these

Verified by Experts

The correct Answer is:

D

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